Maserati Biturbo
Engines

Engine type
Displacement
Valvetrain
Fuel system
Model(s)
AM 452
2.0 L (1,996 cc)
18 valves
Carburetor
Biturbo, Biturbo S
AM 453
2.5 L (2,491 cc)
18 valves
Carburetor
Biturbo E
AM 470
2.0 L (1,996 cc)
18 valves
Fuel injection
Biturbo i
AM 471
2.0 L (1,996 cc)
18 valves
Fuel injection
Biturbo Si, 222, 4.18v, Spyder
AM 472
2.5 L (2,491 cc)
18 valves
Fuel injection
Biturbo i 2500
AM 473
2.8 L (2,790 cc)
18 valves
Fuel injection
228, 430, 222 E, Spyder 2800, Karif
AM 475
2.0 L (1,996 cc)
24 valves
Fuel injection
2.24v, 4.24v, Spyder III 2.0
AM 477
2.8 L (2,790 cc)
24 valves
Fuel injection
222 4v, 430 4v
AM 490
2.0 L (1,996 cc)
24 valves
Fuel injection
Racing, Barchetta Stradale

Question: What was the difference in engine displacement of the 222 E model compared to the Biturbo?
Answer: The engine displacement of the 222 E model grew from the Biturbo's 2.5-liter to 2.8-liters.